Charak DDDR +

General parameter:

  •  Pacing Modes:
    DDD,VDD,DDI,DVI,DOO,VVI,VVT,VOO,AAI,AAT,AOO,DDDR,VDDR,DDIR,DVIR,DOOR,VVIR,VOOR, VVTR, AAIR, AOOR, AATR, OAO, OVO, ODO, OFF
  •  Basic Rate: From 30 BPM to 180 BPM in steps of 2 BPM.
  •  Upper Sensor Rate  : From 80 BPM to 180 BPM in steps of 2 BPM.
  •  Upper Tracking Rate: From 80 BPM to 180 BPM in steps of 2 BPM.(Behavior will be Wenckebach)
  •  Minimized Ventricle Pacing.
  •  A-Tachy Response.
  •  Rate Smoothing in AT.
  •  Safety Polarity Switch.
  •  Magnet Response.
  •  Noise Detection.
  •  PVC/PMT Response and Ventricular safety pacing.
  •  Non Competitive Atrial Pacing.
  •  Rate Drop Response
  •  Auto Measure
  •  Night Low Rates.
  •  AF Detection and suppression.
  •  High Rate Temporary programming
  •  MRI safe with Pacetronix MRI safe Leads.

 

Atrial Parameters:

  •  Pulse Width: From 0.07 ms and  0.1 ms to 1.5 ms in steps of 0.1 ms.
  •  Amplitude:  From 0.2 V to 7.5 V.
  •  Pacing Polarity : Unipolar /Bipolar
  •  Sensitivity: 0.2 mV  to  6.4 mV
  •  Sensing Polarity: Unipolar/Bipolar
  •  Refractory Period: From 200 ms to 500 ms in steps of  25 ms
  •  PVARP : From 200 ms to 500 ms in steps of  25 ms

Ventricular Parameters:

  •  Pulse Width: From 0.07 ms and 0.1 ms to 1.5 ms in steps of 0.1 ms.
  •  Amplitude:  From 0.2 V to 7.5 V.
  •  Pacing Polarity : Unipolar /Bipolar
  •  Sensitivity: 0.5 mV to 16 mV
  •  Sensing Polarity: Unipolar/Bipolar
  •  Refractory Period: From 200 ms to 500 ms in steps of  25 ms
  •  Blanking Period: 21,36 ,52, 68 ms

Hysteresis Parameter

  •  Hysteresis Enable : On/Off
  •  Hysteresis Rate Change : From 4 BPM to 60 BPM in steps of 4 BPM
  •  Hysteresis Search: On/Off.

AV Delay Parameter 

  •  Post Pacing AV Delay : From 20 ms to 350 ms in steps of 15 ms
  •  Post Sensing AV Delay : From 20 ms to 350 ms in steps of 15 ms
  •  AV hysteresis : From 10 ms to 70 ms in steps of 10 ms
  •  AV Hysteresis Search: On/Off.

A-Tachy Parameters

  •  Enable: On/Off 
  •  A Trigger Rate: From 80 bpm to 180 bpm in steps of 2bpm
  •  Number of events for A-Tachy Entry: 4, 8, 16, 32
  •  Number of events for A-Tachy exit: 4, 8, 16, 32

Activity Parameters

  •  Upper Activity Rate: From 80 BPM to 180 BPM in steps of 2 BPM
  •  Activity Rate Response: From 1 to 15
  •  Reaction Time: From 10 s to 60 s in steps of 10 s
  •  Recovery Time: From 1 m to 10 m in steps of 1 m.
  •  Automatic Refractory Change: On/Off. When programmed On, if the rate is greater than 120 BPM, the refractory switch to the minimum value between the programmed one and 250 ms.

Night Rate Parameters

  •  Night Enable: On/Off.
  •  Night Rate Switch Time : From 00:00 to 23:45 in steps of 15’
  •  Day rate Switch Time : From 00:00 to 23:45 in steps of 15’
  •  Night Rate : From 32 Bpm to 100 Bpm in steps of 2 bpm
  •  Automatic Switch to day rate based on Activity : On/Off

 Rate Drop Parameters:

  •  Rate Drop -ON/OFF
  •  Rate Drop Rate-80 to 144 BPM
  •  Rate Drop Duration-30 to 240 beats (Step of 30 beats)
  •  1st detection Window-1 to 30 beats (Steps of 1 beat)
  •  2nd detection Window-1 to 7 beats (Steps of 1 beat)
  •  Upper Limit-50 to 100 BPM
  •  Lower Limit-40 to 80 BPM

 

Diagnostics:

  •  Pace/ Sens Counts
  •  Noise count and Noise pacing counts.
  •  Rate Histogram
  •  AV conduction histogram.
  •  High Rate Episodes.
  •  A-Tachy counts.
  •  Lead monitoring.
  •  AT/AF Duration

 Magnetic Response:

BOL: VOO/AOO/DOO mode. (In case of dual mode, the AV delay will be 95ms.) Rate 96 BPM.

ERI: VOO/AOO/DOO mode. (In case of dual mode, the AV delay will be 110ms.) Rate 84 BPM.

EOL: VOO/AOO. Rate 64 BPM

Battery Chemistry and Model:  LI3150 (1.28 Ah).

Initial Voltage: 2.8V.

Service Life: The expected life of the Pacemaker, pacing 100% at 70 bpm, DDD mode, with 2.5 V amplitude (A & V), pulse width of 0.4 ms and lead impedance 500 Ohms, is approx 8 Years.

Size: 49X39X8.0 mm

Mass: 27 gm